Hazard search

Gold

CAS number
7440-57-5
Also known as
Au · Gold (Elements by ICP HNO3 Digestion)

UK workplace exposure limits

Our data hold no UK limit for this substance.

Sampling methods

MethodSamplingMedium AnalysisPart numbers
MDHS 91/2
Metals & metalloids by XRF
Method document (opens in a new tab)
Active (pump) IOM with 0.8µm MCE filter 225-70A
225-19
NIOSH 7303
Elements by ICP (Hot block/HCl/HNO3 Digestion)
Method document (opens in a new tab)
Active (pump) 0.8µm MCE filter in 37mm cassette ICP-AES 225-3-01
225-1
OSHA ID 121 Active (pump) AA or AES 225-3-01
225-1
OSHA ID-121
Metal & metalloid particulates by AAS
Method document (opens in a new tab)
Active (pump) 0.8µm MCE filter in cassette 225-3-01
225-1

Methods and limits as published by their agencies and summarised by SKC; check the current method and the limit that applies to you before sampling.

Source: SKC Ltd (UK), Hazard Search, used with SKC's permission (opens in a new tab); SKC Inc. (USA), Sampling Guides, used with SKC's permission (opens in a new tab)